Ryu MU Questions

[JS.]

Since this forum is pretty dead and the discord is on read only, I was wondering if anybody from here can help me with some MU problems I've been having lately.
The characters are:

Wario
Olimar
GW
Bayonetta
Mewtwo
Diddy Kong
Donkey Kong

I know there's a FAQ thread but nobody has been there for idk how long. And the MU thread hasn't been updated in awhile too.

 

[Pink'd]

Well, what problems are you having? While I can outline some of the things you should do against them, it's better to know what problems you're having so I can try to give you advice on what to do different.